Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

City of Whitewright

1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND30ND
2021ND30ND
2022ND30ND
2023ND30ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 5 ppb

The EWG Health Guideline of 5 ppb for 1,2,4-trichlorobenzene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against hormone disruption.

EPA Maximum Contaminant
Level (MCL): 70 ppb

The legal limit for 1,2,4-trichlorobenzene, established in 1992, was based on a toxicity study in laboratory animals conducted in 1981. This limit may not fully protect against hormone disruption.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-29Q1813091003ND
2018-03-29Q1813091006ND
2018-03-29Q1813091002ND
2019-09-03Q1961236001ND
2019-09-03Q1961236003ND
2019-09-03Q1961236005ND
2020-10-14Q2040302007ND
2020-10-14Q2040302009ND
2020-10-14Q2040302011ND
2021-09-28Q2126457001ND
2021-09-28Q2126457011ND
2021-09-28Q2126457003ND
2022-06-13Q2216370008ND
2022-06-13Q2216370010ND
2022-10-19Q2231828001ND
2023-07-25Q2329473005ND
2023-07-25Q2329473019ND
2023-07-25Q2329473024ND